Solution : https://service.sap.com/sap/support/notes/215681 (SAP Service marketplace login required)
Key words : 
encounter error message ficore 704 'tax code &, prompting anerror message ficore 704 'tax code &, additional key words t007a, tax procedurein table t007a, tax code entered, field tax code, prerequisites tax code, -existence tax code, flag 'calculate tax', 7% domestic input     v2
Related Notes : 
       
| 336821 | MIRO: Default values tax codes |